问题补充：
—Daddy, do you believe I can swim to catch up with Ben!
—Great, dear! But I don’t have to watch your match. I hope to hear your good news.
A. fast enough, time enough
B. enough fast, enough time
C. enough fast, time enough
D. fast enough, enough time
答案：
A. fast enough, time enough
B. enough fast, enough time
C. enough fast, time enough
(答案→)D. fast enough, enough time
解析：句意:-----爸爸，你相信我游的够快追上Ben吗？------棒极了，亲爱的！但是我没有足够的时间观看你比赛。我希望听到你的好消息。catch up with赶上某人enough的意思是足够的，可做形容词和副词，enough用作形容词修饰名词时放在名词之前，用作副词修饰形容词时应放在形容词之后。故选D。
